tests fixes and some product advisories tunes ups

src/__Libraries/StellaOps.TestKit/Assertions/CanonicalJsonAssert.cs

@@ -111,12 +111,30 @@ public static class CanonicalJsonAssert
                 return null;
             }
 
-            if (!current.TryGetProperty(part, out var next))
+            // Try exact match first
+            if (current.TryGetProperty(part, out var next))
+            {
+                current = next;
+                continue;
+            }
+
+            // Try case-insensitive match (canonical JSON may use different casing)
+            JsonElement? found = null;
+            foreach (var prop in current.EnumerateObject())
+            {
+                if (string.Equals(prop.Name, part, StringComparison.OrdinalIgnoreCase))
+                {
+                    found = prop.Value;
+                    break;
+                }
+            }
+
+            if (found is null)
             {
                 return null;
             }
 
-            current = next;
+            current = found.Value;
         }
 
         return current;